The calculated distance (air line) between Shirahamachō-usazakiminami and Izumiōtsu is approximately 44 miles respectively 70 kilometers.
By car or train, the actual journey to Izumiōtsu is certainly longer, as only the direct route (as the crow flies) between Shirahamachō-usazakiminami and Izumiōtsu has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles